:root {
  --bg-color: #0a0a0a;
  --panel-bg: rgba(24, 24, 27, 0.5); /* zinc-900/50 */
  --border-color: #27272a; /* zinc-800 */
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa; /* zinc-400 */
  --text-muted: #71717a; /* zinc-500 */
  --orange: #f97316;
  --orange-hover: #ea580c;
  --orange-bg: rgba(249, 115, 22, 0.1);
  --blue: #3b82f6;
  --blue-bg: rgba(59, 130, 246, 0.1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  overflow-x: hidden;
}

/* Utils */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-8 { gap: 2rem; }
.w-full { width: 100%; }
.h-screen { height: 100vh; }
.min-h-screen { min-height: 100vh; }
.max-w-4xl { max-width: 56rem; margin: 0 auto; }
.max-w-md { max-width: 28rem; margin: 0 auto; }
.text-center { text-align: center; }
.text-white { color: white; }
.text-zinc-500 { color: var(--text-muted); }
.text-zinc-400 { color: var(--text-secondary); }
.text-orange { color: var(--orange); }
.mono { font-family: monospace; }
.font-bold { font-weight: bold; }
.hidden { display: none !important; }
.relative { position: relative; }
.absolute { position: absolute; }
.inset-0 { top:0; bottom:0; left:0; right:0; }
.right-2 { right: 0.5rem; }
.pr-12 { padding-right: 3rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mt-4 { margin-top: 1rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.bg-black { background-color: black; }
.bg-zinc-950 { background-color: #09090b; }
.text-lg { font-size: 1.125rem; }
.text-sm { font-size: 0.875rem; }
.text-xl { font-size: 1.25rem; }
.text-6xl { font-size: 3.75rem; line-height: 1; }
.tracking-widest { letter-spacing: 0.1em; }
.tracking-tighter { letter-spacing: -0.05em; }
.pointer { cursor: pointer; }
.ptr-auto { pointer-events: auto; }

/* Layouts */
.view { width: 100%; transition: opacity 0.3s; }
#dashboard-view { display: flex; flex-direction: column; }
#room-view { display: flex; flex-direction: row; }
#room-view.hidden { display: none; }

.header-center { text-align: center; margin-bottom: 3rem; }
.subtitle { font-size: 1.125rem; }
.smalltext { font-size: 0.875rem; }

.gradient-text {
  background: linear-gradient(to right, #f97316, #dc2626);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  width: 100%;
}
@media (min-width: 768px) {
  .card-grid { grid-template-columns: 1fr 1fr; }
}

.card {
  background-color: var(--panel-bg);
  border: 1px solid var(--border-color);
  padding: 2rem;
  border-radius: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform 0.2s;
}
.card:hover { transform: scale(1.02); }

.icon-box {
  width: 4rem; height: 4rem;
  border-radius: 1rem;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.5rem;
}
.orange-box { background-color: var(--orange-bg); color: var(--orange); }
.blue-box { background-color: var(--blue-bg); color: var(--blue); }
.dark-box { background-color: #18181b; border: 1px solid var(--border-color); color: var(--text-muted); }

.input {
  width: 100%;
  background-color: #27272a;
  border: 1px solid #3f3f46;
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  color: white;
  outline: none;
  transition: border-color 0.2s;
}
.input:focus { border-color: var(--orange); }
.hint { font-size: 0.75rem; color: var(--text-muted); text-align: left; margin-bottom: 1rem; margin-top: 0.5rem;}

.btn-group { display: flex; gap: 0.5rem; width: 100%; }

.btn {
  font-weight: bold;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  display: flex; align-items: center; justify-content: center;
  outline: none;
  width: 100%;
}
.btn:active { transform: scale(0.95); }
.btn-primary { background-color: var(--orange); color: white; }
.btn-primary:hover { background-color: var(--orange-hover); }
.btn-secondary { background-color: #27272a; color: white; }
.btn-secondary:hover { background-color: #3f3f46; }
.btn-outline { background-color: white; color: black; }
.btn-outline:hover { background-color: #f4f4f5; }
.lg-btn { padding: 1rem 2rem; border-radius: 1rem; width: auto; font-size: 1rem; box-shadow: 0 4px 14px rgba(249, 115, 22, 0.4); }

.file-label {
  display: block; width: 100%;
  background-color: var(--orange); color: white;
  padding: 0.75rem 1rem; font-weight: bold; border-radius: 0.75rem;
  cursor: pointer; transition: background 0.2s;
}
.file-label:hover { background-color: var(--orange-hover); }

/* Room Specifics */
.top-bar {
  position: absolute; top:0; left:0; right:0; z-index: 10;
  padding: 1rem; display: flex; justify-content: space-between; align-items: center;
  background: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent);
  pointer-events: none;
}
.icon-btn {
  background: rgba(255,255,255,0.1); border: none; padding: 0.5rem; border-radius: 0.75rem;
  cursor: pointer; transition: background 0.2s; color: white; display:flex; align-items: center; justify-content: center;
}
.icon-btn:hover { background: rgba(255,255,255,0.2); }
.icon-btn.active-orange { background-color: var(--orange); }
.hover-text { background: transparent; border: none; font-size: 0.8rem; color: var(--text-muted); cursor: pointer; transition: color 0.2s; }
.hover-text:hover { color: white; }

.video-area { flex: 1; height: 100%; position: relative; }
video { max-width: 100%; max-height: 100%; width: auto; height: auto; outline: none; }
.bg-black-60 { background-color: rgba(0,0,0,0.6); backdrop-filter: blur(4px); }

.chat-popup {
  position: absolute;
  bottom: 6rem;
  right: 1.5rem;
  width: 340px;
  height: 500px;
  max-width: calc(100vw - 3rem);
  max-height: calc(100vh - 10rem);
  background-color: #18181b;
  border: 1px solid #27272a;
  border-radius: 1.5rem;
  display: flex;
  flex-direction: column;
  z-index: 80;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  pointer-events: auto;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
  transform: scale(1);
  transform-origin: bottom right;
  opacity: 1;
}
.chat-popup.closed { transform: scale(0.95); opacity: 0; pointer-events: none; visibility: hidden; }

#chat-fab-container {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 80;
  pointer-events: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.75rem;
}
.chat-fab {
  width: 3.5rem;
  height: 3.5rem;
  background-color: var(--orange);
  color: white;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  border: none;
  cursor: pointer;
  position: relative;
  transition: transform 0.2s;
  outline: none;
}
.chat-fab:hover {
  transform: scale(1.05);
}
#chat-badge {
  position: absolute;
  top: -0.25rem;
  right: -0.25rem;
  background-color: #dc2626;
  color: white;
  font-size: 0.75rem;
  font-weight: bold;
  min-width: 24px;
  height: 24px;
  padding: 0 4px;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #09090b;
}

.chat-notification {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 0.5rem 1rem;
  background-color: #27272a;
  color: white;
  border-radius: 0.75rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  font-size: 0.875rem;
  max-width: 250px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  border: 1px solid #3f3f46;
}

.chat-notification.show {
  opacity: 1;
}

.hover-scale { transition: transform 0.2s; }
.hover-scale:hover { transform: scale(1.05); }
.opacity-100 { opacity: 1 !important; pointer-events: auto !important; }

/* Custom scrollbar for chat */
.custom-scrollbar::-webkit-scrollbar { width: 6px; }
.custom-scrollbar::-webkit-scrollbar-track { background: transparent; }
.custom-scrollbar::-webkit-scrollbar-thumb { background: #3f3f46; border-radius: 4px; }
.custom-scrollbar::-webkit-scrollbar-thumb:hover { background: #52525b; }

.or-divider {
  text-align: center; color: var(--text-muted); font-size: 0.75rem;
  font-weight: bold; position: relative; margin: 1rem 0;
}
.or-divider::before, .or-divider::after {
  content: ""; position: absolute; top: 50%; width: 40%; border-top: 1px solid var(--border-color);
}
.or-divider::before { left: 0; }
.or-divider::after { right: 0; }

/* Chat Box */
.msg-bubble {
  display: flex; flex-direction: column; max-width: 85%; margin-bottom: 0.5rem;
}
.msg-self { margin-left: auto; align-items: flex-end; }
.msg-other { align-items: flex-start; }
.msg-name { font-size: 0.65rem; color: var(--text-muted); margin-bottom: 0.25rem; padding: 0 0.25rem; }
.msg-text {
  padding: 0.5rem 1rem; font-size: 0.875rem; border-radius: 1rem;
}
.msg-self .msg-text { background-color: var(--orange); color: white; border-top-right-radius: 0; }
.msg-other .msg-text { background-color: #27272a; color: #e4e4e7; border-top-left-radius: 0; }
.msg-system {
  text-align: center; font-size: 0.8rem; color: var(--text-muted); font-style: italic; margin: 0.5rem 0; width: 100%;
}

/* Animations */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeIn 0.5s forwards; }
.fade-down { animation: fadeDown 0.5s forwards; }
.fade-up { animation: fadeUp 0.5s forwards; }

/* Custom Player & New Classes */
.custom-controls {
  opacity: 0;
  transition: opacity 0.3s ease;
}
.player-wrapper:hover .custom-controls,
.custom-controls:hover {
  opacity: 1;
}
.controls-backdrop {
  position: absolute; bottom: 0; left: 0; right: 0; height: 120px;
  background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
  pointer-events: none; z-index: 1;
}
.progress-bar-container { z-index: 10; }
input[type=range] {
  -webkit-appearance: none; background: transparent; cursor: pointer;
}
input[type=range]::-webkit-slider-runnable-track {
  width: 100%; height: 6px; background: rgba(255,255,255,0.2); border-radius: 4px;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; height: 14px; width: 14px; background: var(--orange);
  border-radius: 50%; margin-top: -4px; transition: transform 0.1s;
}
input[type=range]:hover::-webkit-slider-thumb { transform: scale(1.2); }
input[type=range]:focus { outline: none; }
.vol-slider { width: 80px; }
.hover-orange:hover { color: var(--orange); }
.group:hover .group-hover\:block { display: block !important; }
.z-50 { z-index: 50; }
.z-\[60\] { z-index: 60; }
.max-w-xs { max-width: 20rem; margin: 0 auto; }
.max-w-sm { max-width: 24rem; margin: 0 auto; }
.rounded-3xl { border-radius: 1.5rem; }
.bg-zinc-900 { background-color: #18181b; }
.border-zinc-800 { border-color: #27272a; }
.border { border-width: 1px; border-style: solid; }
.border-t { border-top-width: 1px; border-top-style: solid; }
.border-b { border-bottom-width: 1px; border-bottom-style: solid; }
.border-none { border: none !important; }
.bg-transparent { background-color: transparent !important; }
.block { display: block; }

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .header-center h1 { font-size: 3rem; }
  .room-info h1 { font-size: 1rem; }
  .chat-popup {
    bottom: 0; right: 0; top: 0;
    width: 100%; height: 100%;
    max-width: 100vw; max-height: 100vh;
    border-radius: 0;
    z-index: 100;
  }
  .chat-popup.closed { transform: translateY(100%); opacity: 0; pointer-events: none; }
  #chat-fab-container { bottom: 1.5rem; right: 1.5rem; }
}